ASSERTION FAILED: factor > 0

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2725 matching lines @@
         return;
 
     if (oldId == newId)
         return;
 
     updateId(treeScope(), oldId, newId);
 }
 
 inline void Element::updateId(TreeScope& scope, const AtomicString& oldId, const AtomicString& newId)
 {
-    ASSERT(isInTreeScope());
+    if (!isInTreeScope())
+        return;
+
     ASSERT(oldId != newId);
 
     if (!oldId.isEmpty())
         scope.removeElementById(oldId, this);
     if (!newId.isEmpty())
         scope.addElementById(newId, this);
 
     if (shouldRegisterAsExtraNamedItem())
         updateExtraNamedItemRegistration(oldId, newId);
 }
@@ skipping 507 matching lines @@
         return wrapper;
 
     CustomElementBinding* binding = perContextData->customElementBinding(customElementDefinition());
 
     wrapper->SetPrototype(binding->prototype());
 
     return V8DOMWrapper::associateObjectWithWrapperNonTemplate(this, wrapperType, wrapper, isolate);
 }
 
 } // namespace blink